The U.S. Census Bureau expected a busy 2000, but a fast-track project to keep the department warm put the heat on the schedule even more. A dedicated project team mastered a project that really counts.
By Joanna R. Turpin
For more than half a century, "improperly sized equipment" confounded engineers and made comfort run hot and cold in a New York office. Then, thanks to a controls and chiller retrofit, staff recognized the true culprit. By David Lathrop
Three years ago, chiller failures at Marshalltown Medical and Surgical Center created a real crisis. A measured dose of "CPR" (chilled-water plant replacement) has since restored the system to health. Inspect this treatment, from diagnosis to equipment selection to success and savings. By Charles S. Heldenbrand, P.E.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.